Jiménez Cano, Rosa (September 20, 2011). "Change.org adquiere la española Actuable" [Change.org acquires the Spanish company Actuable]. El País (in Spanish). Archived from the original on May 21, 2017. Retrieved November 13, 2016.
Jiménez Cano, Rosa (September 20, 2011). "Change.org adquiere la española Actuable" [Change.org acquires the Spanish company Actuable]. El País (in Spanish). Archived from the original on May 21, 2017. Retrieved November 13, 2016.